<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Eric</title>
</head>
<body>
    <p>PHP是世界上最好的语言</p>
    <h3><?php echo $data;?></h3>
    <h3><?php echo $title;?></h3>
</body>
</html>